IGF-LR3 1MG
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Also known as: Insulin-Like Growth Factor-1 Long R3
CAS Number: 143045-27-6
Molecular Formula: C400H625N111O115S9
Molecular Weight: ~9111 Da
Form: Lyophilized Powder
Quantity: 1mg
Purity: ≥ 98% (HPLC Verified)
Product Overview
IGF-1 LR3 is a synthetic analog of insulin-like growth factor-1 (IGF-1) modified for enhanced potency and half-life in biological systems. The “Long R3” form includes a substitution of arginine at position 3 and a 13-amino acid extension, making it more resistant to IGF-binding proteins (IGFBPs) and prolonging its activity in vitro. IGF-1 LR3 is extensively studied for its effects on:
Cellular growth and regeneration
Protein synthesis and muscle hypertrophy
Glucose metabolism and nutrient uptake
Neuroprotection and tissue repair
Its enhanced stability and affinity to IGF receptors make it a key peptide in cellular growth and anabolic research models.
Applications in Research
Muscle cell growth and myogenesis studies
Models of injury recovery and neuroregeneration
Research on anabolic signaling pathways
Investigations into glucose sensitivity and metabolic regulation
Storage & Handling: Store lyophilized powder at -20°C in a light- and moisture-free environment. Reconstitute using bacteriostatic water in a sterile lab setting. Store reconstituted solution refrigerated. Avoid repeated freeze-thaw cycles.
⚠️ Research Use Only – Legal Disclaimer All products on this site are for research and development use only. Products are not for human consumption of any kind. The statements made on this website have not been evaluated by the US Food and Drug Administration. The statements and the products of this company are not intended to diagnose, treat, cure, or prevent any disease. Simple Peptide is a chemical supplier. Simple Peptide is not a compounding pharmacy or chemical compounding facility as defined under 503A of the Federal Food, Drug, and Cosmetic Act. Simple Peptide is not an outsourcing facility as defined under 503B of the Federal Food, Drug, and Cosmetic Act. All products are sold for research, laboratory, or analytical purposes only, and are not for human consumption.
Research Use Only – Legal Disclaimer
All products on this site are for research and development use only. Products are not for human consumption of any kind. The statements made on this website have not been evaluated by the US Food and Drug Administration. The statements and the products of this company are not intended to diagnose, treat, cure, or prevent any disease. Eagle Peptides is a chemical supplier. Eagle Peptides is not a compounding pharmacy or chemical compounding facility as defined under 503A of the Federal Food, Drug, and Cosmetic Act. Eagle Peptides is not an outsourcing facility as defined under 503B of the Federal Food, Drug, and Cosmetic Act. All products are sold for research, laboratory, or analytical purposes only, and are not for human consumption.
Lot Number: 1GLR09222025-J
Purity:
97.5%
Date: September 30, 2025
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Research Use Only – Legal Disclaimer
All Eagle Peptides products labeled as Research Use Only (RUO) are intended strictly for laboratory, investigational, and scientific research purposes. These materials are not approved by the FDA and are not intended for human or veterinary use, clinical applications, diagnostic procedures, or therapeutic treatment of any kind. By purchasing or using RUO materials, you acknowledge that they will be handled only within an appropriate research environment by qualified personnel who understand the risks, limitations, and regulatory requirements associated with experimental compounds. Products must not be administered to humans or animals, offered as therapeutic agents, or represented as safe or effective for any medical purpose. Use of these materials is entirely at your own risk. Eagle Peptides assumes no liability for misuse, unsafe handling, improper application, or any regulatory or compliance issues arising from their use.
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